/*
 * Copyright (c) 2023 OceanBase.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.oceanbase.odc.core.sql.execute.model;

import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import lombok.Getter;
import lombok.NonNull;

/**
 * Encapsulation object of metadata information
 *
 * @author yh263208
 * @date 2021-11-14 15:49
 * @since ODC_release_3.2.2
 */
@Getter
public class JdbcResultSetMetaData {

    private final List<JdbcColumnMetaData> columns;

    public JdbcResultSetMetaData(@NonNull ResultSetMetaData resultSetMetaData) throws SQLException {
        int columnCount = resultSetMetaData.getColumnCount();
        this.columns = new ArrayList<>(columnCount);
        for (int i = 0; i < columnCount; i++) {
            JdbcColumnMetaData metaData = new JdbcColumnMetaData(resultSetMetaData, i + 1);
            columns.add(metaData);
        }
    }

}

